Electrical Commissioning Engineer - HV / Renewables / BESS

Job Description

Electrical Commissioning Engineer - HV / Renewables / BESS Southwest Scotland, Aberdeenshire & South Wales 9 Months Outside IR35 £550 per day Site-Based THE OPPORTUNITY JAM Recruitment is supporting an established high-voltage electrical engineering contractor delivering renewable energy, battery storage and grid connection infrastructure across the UK. We are looking to connect with experienced Electrical Commissioning Engineers with strong backgrounds in HV substations, protection and control systems, electrical testing and energisation. The work would involve commissioning electrical infrastructure across utility-scale wind, solar and BESS developments, including 33kV and 132kV substations, transformers, switchgear and associated grid connection equipment. RESPONSIBILITIES Undertake electrical testing and commissioning across HV substations and associated grid infrastructure. Commission 11kV, 33kV and 132kV systems, including switchgear, transformers and associated electrical equipment. Carry out primary and secondary injection testing of protection systems. Perform functional testing of protection relays, control panels and electrical interlocking systems. Support commissioning of HV cable networks, terminations and associated infrastructure. Undertake insulation resistance, continuity and other relevant electrical testing. Commission SCADA, protection and control systems associated with renewable energy developments. Support electrical integration of BESS infrastructure, including transformers, PCS equipment and MV distribution systems. Coordinate testing and energisation activities with DNOs, transmission operators and principal contractors. Review SLDs, protection schematics, commissioning procedures and technical drawings. Investigate and resolve commissioning defects. Prepare commissioning test records, reports and handover documentation. Ensure compliance with electrical safety procedures and relevant industry standards. SKILLS / REQUIREMENTS Proven electrical commissioning experience across HV substations, renewable energy or grid infrastructure. Experience testing and commissioning electrical systems between 11kV and 132kV. Strong understanding of HV switchgear, transformers, protection relays and associated control systems. Experience with primary and secondary injection testing. Knowledge of DNO and transmission network commissioning requirements. Familiarity with HV energisation processes and electrical safety documentation. Ability to interpret electrical drawings, SLDs and protection schematics. Experience coordinating commissioning activities with multiple contractors. CERTIFICATIONS HNC/HND or degree in Electrical Engineering, or equivalent experience. ECS / CSCS card. Relevant electrical safety qualifications. HV Authorised Person status desirable. SMSTS or SSSTS desirable. DESIRABLE Experience commissioning utility-scale wind, solar or BESS developments. Experience with 132kV substations and grid connections. Knowledge of IEC 61850 and SCADA integration. Experience commissioning protection and control systems. Previous involvement in DNO or National Grid energisation activities. TPBN1_UKTJ